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Ohaus Pen Meter ST20D DO pen meter, measurement range 0.0 to 19.9mg/L, temperature display

Ohaus (Authorized Dealer)

Free Shipping within the 48 contiguous united states

  • $330.00
  • Save $85

Model: 30073986

Brand new in its original packaging

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  • Authorized Dealer

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  • Warranty Period


  • Returns

    30 days returns. See details

Ohaus Pen Meter ST20D DO pen meter, measurement range 0.0 to 19.9mg/L, temperature display

Note: For all International Orders, the buyer will be solely responsible for the customs clearance, duty, and taxes imposed on the package.

Accurate Electrochemistry Measurement At Your Fingertips

  • Starter pen meters provide what should be expected of a small, economical pen meter: simple, fast, straightforward, no-frills operation time and time again.
  • With durable ABS housing, a protective sensor cap, and automatic shutdown feature that preserves battery life, Starter pen meters can endure consistent use in rugged environments.
  • Equipped with a wrist strap that helps prevent unintentional dropping, Starter pen meters are constructed with an IP67 waterproof design that can prevent water damage when dropped in to liquid.

Product Specifications

Measurement Range 0.0 - 80.0 ppt
Measurement Resolution 0.1 mg/L
Calibration 1 Point
Temperature Compensation Automatic
Working Environment 41 degree F - 104 degree F, 80%RH, non-condensing
Working Environment 5 degree C - 40 degree C, 80%RH, non-condensing
Net Weight 110.0 g (3.88 oz)
Accuracy ? (Temperature) 0.5 degree C
Temperature Range 0 degree C - 99 degree C
Accuracy ?0.5 degree C
Meter Type Dissolved Oxygen
Temperature Display Yes
Battery Life 100 Hours with Disposable Batteries
Dimensions (Height) 38.0 mm (1.5 in)
Dimensions (Width) 45.0 mm (1.77 in)
Dimensions (Length) 185.0 mm (7.28 in)
Automatic Shutdown Yes, After 6 minutes of non-use
Power 4 AG13 Batteries (Included)
Protection Rating IP67
Temperature Sensor 50 K? NTC
Number of Buttons 3
Wrist Strap Yes

Shipping Policy


All orders are shipped within 48 hours Monday - Friday 8am - 5pm.


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Our policy lasts 30 days of delivery. If 30 days have gone by since your purchase, unfortunately we can’t offer you a refund if the item is damaged.

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